<nav class="navbar navbar-inverse navbar-fixed-top">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">

            <a class="navbar-brand" href="#">RBAC</a>
        </div>
        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" >
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">首页</a></li>
            </ul>
            <p class="navbar-text navbar-right"> <a href="#" class="navbar-link">hi</a></p>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>